About this item  Integrated design - means the case never needs to be opened Dimensions: 50W 193mm x 143mm x 38mm Long lifetime - no bulb replacements plus 70% light output maintenance to 30, 000 hours Slimline - main body is 40mm thick. High efficiency - around 85 lumens/watmore...
Features : Wide variety of shapes and sizes. Up to 80% less energy than conventional bulbs. They provide a consistent quality of light over time and are long lasting.